Finding the Fourth Proportional to 395,995.44, 593,730.72 and 143,242.68
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Solution
The fourth proportional to 395,995.44, 593,730.72 and 143,242.68 is: 214,769.09
Step by Step Solution
- Step 1: Write the proportion equation
395,995.44 : 593,730.72 = 143,242.68 : x - Step 2: Convert to fraction form
395,995.44/593,730.72 = 143,242.68/x - Step 3: Cross multiply
395,995.44x = 593,730.72 × 143,242.68 - Step 4: Simplify right side
395,995.44x = 85,047,579,531.13 - Step 5: Solve for x
x = 85,047,579,531.13/395,995.44 - Step 6: Final answer
x = 214,769.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.